pinctrl: armada-37xx: propagate error from armada_37xx_pmx_set_by_name()

The regmap_update_bits() function can fail, so propagate its error
up to the stack instead of silently ignoring that.

Signed-off-by: Imre Kaloz <[email protected]>
Reviewed-by: Andrew Lunn <[email protected]>
Signed-off-by: Gabor Juhos <[email protected]>
Link: https://lore.kernel.org/[email protected]
Signed-off-by: Linus Walleij <[email protected]>

Author: juhosg

drivers/pinctrl/mvebu/pinctrl-armada-37xx.c

@@ -358,9 +358,7 @@ static int armada_37xx_pmx_set_by_name(struct pinctrl_dev *pctldev,
 
 	val = grp->val[func];
 
-	regmap_update_bits(info->regmap, reg, mask, val);
-
-	return 0;
+	return regmap_update_bits(info->regmap, reg, mask, val);
 }
 
 static int armada_37xx_pmx_set(struct pinctrl_dev *pctldev,